Datasheet

123
32142D–06/2013
ATUC64/128/256L3/4U
8.7.2.10 Endpoint n Configuration Register
Register Name: UECFGn, n in [0..6]
Access Type: Read/Write
Offset: 0x0100 + (n * 0x04)
Reset Value: 0x00000000
• EPTYPE: Endpoint Type
This field selects the endpoint type:
This field is cleared upon receiving a USB reset.
• EPDIR: Endpoint Direction
0: The endpoint direction is OUT.
1: The endpoint direction is IN (nor for control endpoints).
This bit is cleared upon receiving a USB reset.
• EPSIZE: Endpoint Size
This field determines the size of each endpoint bank:
31 30 29 28 27 26 25 24
--------
23 22 21 20 19 18 17 16
--------
15 14 13 12 11 10 9 8
- - - EPTYPE - - EPDIR
76543210
- EPSIZE -
EPBK
--
EPTYPE Endpoint Type
0 0 Control
0 1 Isochronous
10Bulk
1 1 Interrupt
EPSIZE Endpoint Size
0 0 0 8 bytes
00116 bytes
01032 bytes
01164 bytes
1 0 0 128 bytes